SAE-AISI 4820 (G48200) Nickel Steel
Alloy Steels
Property Overview
Density7.9g/cm³
Elastic Modulus190GPa
Tensile Strength570MPa
Yield Strength370MPa
Brinell Hardness170HB
Maximum Service Temperature410°C
Chemical Composition
C
0.18 to 0.23%
NI
3.3 to 3.8%
MO
0.2 to 0.3%
MN
0.5 to 0.7%
SI
0.15 to 0.35%
P
0 to 0.035%
S
0 to 0.040%
FE
94.6 to 95.7%
Mechanical
Elastic (Young's, Tensile) Modulus
190 GPa
Elongation at Break
21 %
Fatigue Strength
260 MPa
Poisson's Ratio
0.29
Shear Modulus
73 GPa
Shear Strength
360 MPa
Tensile Strength: Ultimate (UTS)
570 MPa
Tensile Strength: Yield (Proof)
370 MPa
Hardness
Brinell Hardness
170
Physical
Density
7.9 g/cm 3
Thermal
Latent Heat of Fusion
250 J/g
Maximum Temperature: Mechanical
410 °C
Melting Completion (Liquidus)
1460 °C
Melting Onset (Solidus)
1420 °C
Specific Heat Capacity
470 J/kg-K
Thermal Conductivity
51 W/m-K
Thermal Diffusivity
14 mm 2 /s
Thermal Expansion
11 µm/m-K
Thermal Shock Resistance
19 points
Electrical
Electrical Conductivity: Equal Volume
7.6 % IACS
Electrical Conductivity: Equal Weight (Specific)
8.7 % IACS
Calculated
Resilience: Ultimate (Unit Rupture Work)
110 MJ/m 3
Resilience: Unit (Modulus of Resilience)
370 kJ/m 3
Stiffness to Weight: Axial
13 points
Stiffness to Weight: Bending
24 points
Strength to Weight: Axial
20 points
Strength to Weight: Bending
19 points
Environmental
Base Metal Price
4.3 % relative
Embodied Carbon
1.8 kg CO 2 /kg material
Embodied Energy
24 MJ/kg
Embodied Energy
24 MJ/kg 10 x 10 3 BTU/lb
Embodied Water
53 L/kg
Embodied Water
53 L/kg 6.3 gal/lb
Registered Designations & Aliases
G48200SAE-AISI 4820 (G48200) Nickel Steel
Standards
ASTM A322 ASTM A322: Standard Specification for Steel Bars, Alloy, Standard Grades
ASTM A752 ASTM A752: Standard Specification for General Requirements for Wire Rods and Coarse Round Wire, Alloy Steel
ASTM A752 ASTM A752: Standard Specification for General Requirements for Wire Rods and Coarse Round Wire, Alloy Steel ASTM A322: Standard Specification for Steel Bars, Alloy, Standard Grades